diff --git a/lodash.js b/lodash.js
index bfa524907..1aa77bd7e 100644
--- a/lodash.js
+++ b/lodash.js
@@ -9403,11 +9403,9 @@
       if (isArrayLike(collection)) {
         return isString(collection) ? stringSize(collection) : collection.length;
       }
-      if (isObjectLike(collection)) {
-        var tag = getTag(collection);
-        if (tag == mapTag || tag == setTag) {
-          return collection.size;
-        }
+      var tag = getTag(collection);
+      if (tag == mapTag || tag == setTag) {
+        return collection.size;
       }
       return baseKeys(collection).length;
     }